
67
[22] D.S. Hochbaum, Approximating covering and packing problems: set cover, vertex
cover, independent set, and related problems, in: Approximation Algorithms for NP-
Hard Problems, PWS Publishing Company, 1996, pp. 94–143.
[23] C. Chekuri, A. Kumar, Maximum coverage problem with group budget constraints
and applications, in: Approximation, Randomization, & Combinatorial Optimization:
Algorithms & Techniques, 2004, pp. 72–83.
[24] V.A. Nguyen, V.H. Vu, V.S. Doan, T.H. Nguyen, P.T. Do, K. Nguyen, P.L. Nguyen,
M.T. Le, Realizing mobile air quality monitoring system: Architectural concept and
device prototype, in: Asia Pacific Conference on Communications (APCC), 2021.
[25] M. Balanescu, I. Oprea, G. Suciu, M.-A. Dobrea, C. Balaceanu, R.-I. Ciobanu, C.
Dobre, A study on data accuracy for IoT measurements of PMs concentration, in:
2019 22nd International Conference on Control Systems and Computer Science
(CSCS), 2019, pp. 182–187.
[26] M. Dobrea, A. Bădicu, M. Barbu, O. Subea, M. Bălănescu, G. Suciu, A. Bîrdici, O.
Orza, C. Dobre, Machine learning algorithms for air pollutants forecasting, in: 2020
IEEE 26th International Symposium for Design and Technology in Electronic
Packaging (SIITME), 2020, pp. 109–113.
[27] M.H. Nguyen, P. Le Nguyen, K. Nguyen, V.A. Le, T.-H. Nguyen, Y. Ji, PM2.5
prediction using genetic algorithm-based feature selection and encoder-decoder
model, IEEE Access 9 (2021) 57338–57350.
[28] Michalewicz Z, Schoenauer M (1996), Evolutionary algorithms for constrained
parameter optimization problems. Evol Comput 4(1):1–32
[29] Holland JH (1975), Adaptation in natural and artificial systems. The U. of Michigan
Press
[30] Scott Kirkpatrick, C Daniel Gelatt, and Mario P Vecchi. Optimization by simulated
annealing. science, 220(4598):671–680, 1983.
https://doi.org/10.1126/science.220.4598.671.
[31] Vladimír Černỳ. Thermodynamical approach to the traveling salesman problem: An
efficient simulation algorithm. Journal of optimization theory and applications,
45(1):41–51, 1985. https://doi.org/10.1007/bf00940812.
[32] El-Ghazali Talbi. Metaheuristics: from design to implementation, volume 74. John
Wiley & Sons, 2009. https://doi.org/10.1002/9780470496916.